Core-extracting device.



No. 811,301. A PATENTED JAN. 80, 1906.

R. D. KLINE.

GORE EXTRACTING DEVICE.

APPLIOATIGN FILED SEPT. 21, 1905.

Il "'lIl UNITE il STATES PATENT OFFICE.

Specification of Letters Patent.

Patented Jan. 30, 1906.

Application led September 2l, 1905. Serial No. 279,403.

To all whom it may concern:

Beit known that I, RUDOLPH D. KLINE, a citizen of the United States, residing at Streator, in the county of Lasalle and State of Illinois, have invented a new and useful Oore- Extracting Device, of which the following is a specification.

My invention relates particularly to means for extracting the cores formed by annular earth-angers used for transplanting purposes; and my primary object is to provide a simple and efficient device for readily and carefully removing the core with the plant therein.

The invention is illustrated in the accompanying drawings, in which- Figure l represents a vertical sectional view of my improved extracting device; and Fig. 2, a view, partly in plan and partly in section, of the same, the section being taken as indicated at line-2 of Figl.

In the construction shown, A A represent a plurality of vertical jaws having a common center of curvature and provided at their lower ends with inturned toothed flanges a; B B, a plurality of radial arms firmly secured at their outer ends by screws b to the inner surfaces of the upper ends of the jaws; C, a vertically-movable block connected with the inner ends of said arms; D, a cross-shaped member connected by pivots d with the outer portions of the arms B, the member D being equipped with a handle d, and E a bolt eX- tending vertically through the center of the member D and having a threaded lower eX- tremity working in a threaded perforation in the member C. Above the handle d the bolt E is provided with a knob e, and beneath the member D is a collar e, preventing longitudinal movement of the bolt with relation to the member O.

From the foregoing description it will be understood that when the bolt E is turned to the right the nut C will be raised, thereby closing the jaws, and when the bolt is rotated in the opposite direction the nut will be lowered, thereby opening the jaws.

In use the device is lowered in the open condition into an annular opening in the earth, and the bolt is then turned to close the jaws, thereby causing the fianges a to dig into the core. During the operation of closing the jaws the device'may be rotated bodily, thereby causing the teeth to cut into the core. This is particularly of value where the ground is frozen hard, as is desirable when plants are taken up for transplanting purposes. When the device is closed, the core is weakened and may be readily broken off and lifted from its resting-place- Changes in minor details of construction within the spirit of my invention are contemplated. I-Ience no undue limitation should be understood from the foregoing detailed description.

What I regard as new, and desire to secure by Letters Patent, is-M 1. The combination of a plurality of vertical jaws having inturned flanges at their lower ends, a member supported on said jaws, a bolt working through said member, and arms connected with said jaws and actuated by said bolt, for the purpose set forth.

2. The combination of a plurality of vertical jaws equipped at their upperends with rigid inturned arms, a handle-e uipped member supported on said jaws, an a bolt working therethrough and serving to actuate said arms, for the purpose set forth.

3. The combination of a plurality of vertical jaws equipped at their upper ends with rigid inturned arms, a member pivotally supported upon the upper portions of said arms and equipped with a handle, a nut connected with the inner ends of said arms, and a bolt journaled in said handle-equipped member and working in said nut, for the purpose set forth.

4. The combination of a plurality of vertical jaws having inturned toothed flanges at their lower ends, a member supported on said jaws, and a screw supported on said member and serving to actuate the jaws, for the purpose set forth.

RUDOLPH D. KLINE.

In presence of A. U. THORIEN. J. II. LAUDER. 

